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Securite/Linkwarden/lib/api/verifySubscription.ts

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+import { prisma } from "./db";
+import { Subscription, User } from "@prisma/client";
+import checkSubscriptionByEmail from "./checkSubscriptionByEmail";
+
+interface UserIncludingSubscription extends User {
+  subscriptions: Subscription | null;
+}
+
+export default async function verifySubscription(
+  user?: UserIncludingSubscription
+) {
+  if (!user) {
+    return null;
+  }
+
+  const subscription = user.subscriptions;
+
+  const currentDate = new Date();
+
+  if (!subscription?.active || currentDate > subscription.currentPeriodEnd) {
+    const {
+      active,
+      stripeSubscriptionId,
+      currentPeriodStart,
+      currentPeriodEnd,
+    } = await checkSubscriptionByEmail(user.email as string);
+
+    if (
+      active &&
+      stripeSubscriptionId &&
+      currentPeriodStart &&
+      currentPeriodEnd
+    ) {
+      await prisma.subscription
+        .upsert({
+          where: {
+            userId: user.id,
+          },
+          create: {
+            active,
+            stripeSubscriptionId,
+            currentPeriodStart: new Date(currentPeriodStart),
+            currentPeriodEnd: new Date(currentPeriodEnd),
+            userId: user.id,
+          },
+          update: {
+            active,
+            stripeSubscriptionId,
+            currentPeriodStart: new Date(currentPeriodStart),
+            currentPeriodEnd: new Date(currentPeriodEnd),
+          },
+        })
+        .catch((err) => console.log(err));
+    } else if (!active) {
+      const subscription = await prisma.subscription.findFirst({
+        where: {
+          userId: user.id,
+        },
+      });
+
+      if (subscription)
+        await prisma.subscription.delete({
+          where: {
+            userId: user.id,
+          },
+        });
+
+      return null;
+    }
+  }
+
+  return user;
+}